package it.stefanochizzolini.clown.samples;

import it.stefanochizzolini.clown.documents.Document;
import it.stefanochizzolini.clown.documents.Page;
import it.stefanochizzolini.clown.documents.Pages;
import it.stefanochizzolini.clown.documents.contents.composition.AlignmentXEnum;
import it.stefanochizzolini.clown.documents.contents.composition.AlignmentYEnum;
import it.stefanochizzolini.clown.documents.contents.composition.BlockFilter;
import it.stefanochizzolini.clown.documents.contents.composition.PrimitiveFilter;
import it.stefanochizzolini.clown.documents.contents.entities.EAN13Barcode;
import it.stefanochizzolini.clown.documents.contents.fonts.StandardType1Font;
import it.stefanochizzolini.clown.documents.contents.xObjects.XObject;
import it.stefanochizzolini.clown.files.File;

import java.awt.Dimension;
import java.awt.geom.Dimension2D;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;

/**
  This sample demonstrates how to show bar codes in a PDF file.

  @author Stefano Chizzolini (http://www.stefanochizzolini.it)
  @version 0.0.6
  @since 0.0.6
*/
public class BarcodeSample
  implements ISample
{
  // <static>
  // <fields>
  private static final float Margin = 36;
  // </fields>
  // </static>

  // <dynamic>
  // <interface>
  // <public>
  // <ISample>
  public void run(
    PDFClownSampleLoader loader
    )
  {
    // 1. PDF file instantiation.
    File file = new File();

    // 2. Content creation.
    Document document = file.getDocument();
    populate(document,loader);

    // (boilerplate metadata insertion -- ignore it)
    loader.buildAccessories(document,this.getClass(),"Barcode","showing barcodes");

    // 3. Serialize the PDF file (again, boilerplate code -- see the PDFClownSampleLoader class source code)!
    loader.serialize(file,this.getClass().getSimpleName(),false);
  }
  // </ISample>
  // </public>

  // <private>
  /**
    Populates a PDF file with contents.
  */
  private void populate(
    Document document,
    PDFClownSampleLoader loader
    )
  {
    // Get the abstract barcode entity!
    EAN13Barcode barcode = new EAN13Barcode("8012345678901");
    // Create the reusable barcode within the document!
    XObject barcodeXObject = barcode.toXObject(document);

    Pages pages = document.getPages();
    // Page 1.
    {
      Page page = new Page(document);
      pages.add(page);
      Dimension2D pageSize = page.getSize();

      PrimitiveFilter builder = new PrimitiveFilter(page);
      {
        BlockFilter blockFilter = new BlockFilter(builder);
        blockFilter.setHyphenation(true);
        blockFilter.begin(
          new Rectangle2D.Double(
            Margin,
            Margin,
            (float)pageSize.getWidth() - Margin * 2,
            (float)pageSize.getHeight() - Margin * 2
            ),
          AlignmentXEnum.Left,
          AlignmentYEnum.Top
          );
        StandardType1Font bodyFont = new StandardType1Font(
          document,
          StandardType1Font.FamilyNameEnum.Courier,
          true,
          false
          );
        builder.setFont(bodyFont,32);
        blockFilter.showText("Barcode sample"); blockFilter.showBreak();
        builder.setFont(bodyFont,16);
        blockFilter.showText("Showing the EAN-13 Bar Code on different compositions:"); blockFilter.showBreak();
        blockFilter.showText("- page 1: on the lower right corner of the page, 100pt wide;"); blockFilter.showBreak();
        blockFilter.showText("- page 2: on the middle of the page, 1/3-page wide, 25 degree counterclockwise rotated;"); blockFilter.showBreak();
        blockFilter.showText("- page 3: filled page, 90 degree clockwise rotated."); blockFilter.showBreak();
        blockFilter.end();
      }

      // Show the barcode!
      builder.showXObject(
        barcodeXObject,
        new Point2D.Double(
          (float)pageSize.getWidth() - Margin,
          (float)pageSize.getHeight() - Margin
          ),
        new Dimension(100,0),
        AlignmentXEnum.Right,
        AlignmentYEnum.Bottom,
        0
        );
      builder.flush();
    }

    // Page 2.
    {
      Page page = new Page(document);
      pages.add(page);
      Dimension2D pageSize = page.getSize();

      PrimitiveFilter builder = new PrimitiveFilter(page);
      // Show the barcode!
      builder.showXObject(
        barcodeXObject,
        new Point2D.Double(
          (float)pageSize.getWidth() / 2,
          (float)pageSize.getHeight() / 2
          ),
        new Dimension((int)pageSize.getWidth()/3,0),
        AlignmentXEnum.Center,
        AlignmentYEnum.Middle,
        25
        );
      builder.flush();
    }

    // Page 3.
    {
      Page page = new Page(document);
      pages.add(page);
      Dimension2D pageSize = page.getSize();

      PrimitiveFilter builder = new PrimitiveFilter(page);
      // Show the barcode!
      builder.showXObject(
        barcodeXObject,
        new Point2D.Double(
          (float)pageSize.getWidth() / 2,
          (float)pageSize.getHeight() / 2
          ),
        new Dimension((int)pageSize.getHeight(),(int)pageSize.getWidth()),
        AlignmentXEnum.Center,
        AlignmentYEnum.Middle,
        -90
        );
      builder.flush();
    }
  }
  // </private>
  // </interface>
  // </dynamic>
}